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An exact RG formulation of quantum gauge theory

Tim R. Morris
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Abstract

A gauge invariant Wilsonian effective action is constructed for pure SU(N) Yang-Mills theory by formulating the corresponding flow equation. Manifestly gauge invariant calculations can be performed i.e. without gauge fixing or ghosts. Regularisation is implemented in a novel way which realises a spontaneously broken SU(N|N) supergauge theory. As an example we sketch the computation of the one-loop beta function, performed for the first time without any gauge fixing.

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Tim R. Morris. 2001-02-19. An exact RG formulation of quantum gauge theory. https://doi.org/10.1142/s0217751x01004554

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